Setting The Scanning Area - Epson ES-1000C Reference Manual

Setting the scanning area

Use the ESC R, ESC H, and ESC A commands to set the scanning
area. The diagram below shows the relationship between the ESC R,
ESC H, and ESC A command parameters and the scanning area.
R : Main scan resolution (in dpi)
X
R : Sub scan resolution (in dpi)
Y
H : Main scan zoom (in %)
X
H : Sub scan zoom (in %)
Y
After setting the above values, determine the ESC A parameters based
on the following formulas:
2-38
Command Usage